Soil permeability

From chemistry improvement , soil permeability , this paper analyzed the mechanism of improving saline-alkali soil , and carried out benefit analysis , and systematically illustrated economy , society , and environment benefit from utilization of coal ash and mire improving saline-alkali soil .

从化学改良作用、土壤通透性及碱中和作用角度，论述了改良盐碱地的机理。进行了效益分析，系统论述了粉煤灰与污泥配施改良盐碱地的经济、环境与社会效益。

Study on Influence of Soil Permeability and Yield of Corn under Different Farming System

不同耕作制度对土壤渗透性和玉米生长的影响研究

Model study on coupling response of soil permeability based on pumping test

基于抽水试验的土体渗透性耦合响应模型研究

Study of spatial variability and stochastic modeling of surface soil permeability

表层土渗透系数空间变异与随机模拟研究

Soil permeability is an important index of evaluating water source conservation function .

土壤入渗性能是评价土壤水源涵养功能的重要指标。

A preliminary study of soil permeability characteristics under sewage irrigation

污灌条件下土壤水渗透特征初探

Soil Permeability Research on Small Area Forest Watershed Ecosystem

小流域森林生态系统林地土壤渗透性能研究

Large cohesionless soil permeability experiment system and application

大型无粘性土渗透破坏试验系统及应用

Study on Soil Permeability of Waste Rock Hill

阜新矸石山土壤渗透性的研究

Soil Permeability Capability Research on Yangtze River Three Gorges Reservoir Area Forest Watershed Ecosystem

三峡库区森林流域生态系统土壤渗透性能的研究

Study on soil permeability in Xingguo County of Jiangxi Province

江西兴国县土壤渗透性的研究

Study on the Coarse-grained Soil Permeability Characteristic

粗粒土的渗透特性研究

Research on Soil Permeability of Three Vegetation Patterns in Hongya County of Sichuan Province

四川洪雅县3种植被模式的土壤入渗性能研究

Fine roots could also improve soil permeability effectively to decrease runoff and weaken soil erosion .

须根还能有效地增强土壤渗透性，减少径流，从而达到减少土壤冲刷的目的。

Experimental Research of Changing Soil Permeability with Antiseepage Grout Mix

防渗浆液改变土体渗透性的试验研究

The saturated soil permeability of bottom was the highest in the same slope land .

同一坡面，坡底饱和入渗率高于坡中、上部。

Soil permeability process of forest land followed logarithm curve and the correlation coefficient reached significant level .

林地土壤渗透过程符合对数曲线，相关系数达极显著水平；

But the addition of two different fiber materials to a certain extent will reduce the saturated soil permeability rate .

但加入两种不同材料的纤维后，在一定程度上都会降低土样的饱和透水率。

Study on Soil Permeability of Shelter-Forest in Silting Coastal Plain

平原粉沙淤泥质海岸防护林土壤渗透特性的研究

Study on Soil Permeability of Converting Cropland to Forest Region in Datong County of Qinghai Province

青海大通山地退耕还林土壤渗透性研究

Study on Soil Permeability of Platycladus orientalis Plantation in Northern Mountains of Lanzhou City

兰州北山人工侧柏林地土壤渗透性研究

Change in Soil Permeability and Anti-scourability of Farmland after Abandonment

撂荒后黄土高原坡耕地土壤透水性和抗冲性的变化

Quantificational relationship between soil permeability of upland and soil erodibility in Hilly Red Soil Region

低丘红壤区旱地土壤渗透性与可蚀性定量关系的研究

Application of Guelph Permeameter in Determining the Soil Permeability of Salt Pan

Guelph入渗仪在测定盐田土壤渗透性上的应用

Through calculation of soil permeability coefficient , which indicates that the vacuum grouting on sandy soil water effect is obvious .

通过对砂土渗透系数的计算，表明真空注浆对砂土止水效果明显。

The results indicate that the isolation effectiveness for plane S waves will become better with the decrease of the soil permeability .

结果表明随着饱和土体渗透性降低，排桩对横波的隔离效果越好；排桩隔离效果在饱和土与相应的弹性土中差异较大。

The variation of seepage free surface with time was analyzed , and the influence of soil permeability on seepage free surface and deformation was then discussed .

分析了渗流自由面的变化规律，讨论了渗透系数变化对渗流自由面及基坑变形的影响，并与不考虑渗流自由面变化时的结果进行比较。

Experimental research on the effect of entrapped air on one-dimensional ponded water infiltration A Review on Effect of Entrapped Air on Soil Permeability

封闭气泡对土壤渗透性影响的研究进展

In melting process , more water is blocked in upper layer because peat mire soil permeability is lower than meadow marsh soil .

融化过程中，由于泥炭沼泽土渗透性较草甸沼泽土低，土壤化通后，其表层能滞留更多的水分。

The main conclusions and findings obtained are as follows . ( 1 ) Based on the improved penetration test , coarse grained soil permeability test was carried out .

取得的主要结论和研究成果如下：（1）利用改进的渗透试验，对土岩组合坡体的主体部分粗颗粒土进行渗透性能试验。